305/40R24 in inches

How tall is a 305 40R24 tire?

When converted to inches, the equivalent of a 305/40R24 tire size is 33.6x12R24. It means that:

  • height overall (or diameter) is 33.6 inches
  • tread width is 12 inches
  • wheel diameter is 24 inches

Learn more

305/40R24 tire size in inches
305/40R24 tire size chart

305/40R24 tire size in inches

305/40R24 Height / overall diameter: 33.6 inches
Height / overall diameter
33.6 inches
305/40R24 Tread width: 12 inches
Tread width
12 inches
305/40R24 Sidewall: 4.8 inches
Sidewall
4.8 inches
305/40R24 Wheel diameter: 24 inches
Wheel diameter
24 inches
305/40R24 Circumference: 105.5 inches
Circumference
105.5 inches
305/40R24 Revolutions: 600 per mile
Revolutions
600 per mile

305/40R24 — what does it mean?

  • 305 stands for tread width in millimeters
  • 40 is an aspect ration between the tread width and the sidewall in percents
  • R means that the tire has a radial construction
  • 24 is a wheel diameter (or rim) in inches

305/40R24 tire code
305/40R24 tire code

How to convert 305 40R24 to inches?

First of all, we need to divide 305 mm (width) by 25.4 (mm to inch conversion), which will give us a width of 12″. Then, 40% of the 12″ will result in 4.8″ sidewall.

To get the total height or tire diameter, we need to sum the 24″ rim diameter with two of the sidewall heights. It will result in a 33.6″ total tire diameter (or height).

For your convenience, below is a table for 305/40R24 conversion to inches:

Inches Metric
Overall diameter (height) 33.6″ 853 mm
Tread width 12″ 305 mm
Wheel diameter 24″ 853 mm
Sidewall height 4.8″ 122 mm
Circumference 105.5″ 2678 mm
Revolutions 600 / ml 373 / km

Alternatives to a 305/40R24 tire

If you're looking to upsize your 305 40R24 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
285/40R24 33″ -0.44% 11.2″ 24″
295/40R24 33.2″ -0.29% 11.6″ 24″
295/45R24 34.4″ 0.61% 11.6″ 24″
315/35R24 32.6″ -0.74% 12.4″ 24″
335/40R24 34.6″ 0.75% 13.2″ 24″
LT295/40R24 33.2″ -0.29% 11.6″ 24″
LT295/45R24 34.4″ 0.61% 11.6″ 24″
LT335/40R24 34.6″ 0.75% 13.2″ 24″